package com.atguigu.gulimall.order.web;

import com.atguigu.common.exception.NoStockException;
import com.atguigu.common.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @author starsPromise
 */
@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo orderConfirmVo = orderService.confirmOrder();

        model.addAttribute("orderConfirmData", orderConfirmVo);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes) {
        SubmitOrderResponseVo responseVo=null;
        try {
            responseVo = orderService.submitOrder(vo);
            if (responseVo.getCode() != 0) {
                String msg="下单失败;";
                switch (responseVo.getCode()){
                    case 1: msg+="订单信息过期";break;
                    case 2: msg+="订单商品价格发生变化";break;
                    case 3: msg+="库存不足";break;
                }
                redirectAttributes.addFlashAttribute("msg",msg);

                return "redirect:http://order.gulimall.com/toTrade";
            }
        }catch (NoStockException noStockException){

            String msg="下单失败;";

            msg+="库存不足";

            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }

        model.addAttribute("submitOrderResponse",responseVo);


        return "pay";
    }
}
